Mark 14:19

They began to be sorrowful, and to say to him one by one, Is it I?

Matthew 26:22

And they were exceedingly sorrowful, and began every one to say to him, Is it I, Lord?

Luke 22:21-23

But lo! the hand of him that betrayeth me is with me on the table.

John 13:22

The disciples therefore looked at one another, doubting of whom he spoke.

Treasury of Scripture Knowledge

Summary

And they began to be sorrowful, and to say unto him one by one, Is it I? and another said, Is it I?

General references

Bible References

And to

Matthew 26:22
And they were exceedingly sorrowful, and began every one to say to him, Is it I, Lord?
Luke 22:21
But lo! the hand of him that betrayeth me is with me on the table.
John 13:22
The disciples therefore looked at one another, doubting of whom he spoke.

General references

Matthew 26:22
And they were exceedingly sorrowful, and began every one to say to him, Is it I, Lord?
Luke 22:23
And they began to inquire among themselves, which of them it was that was about to do this.